Rockers

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 5 - Stock Lift Rule - Lighter car, 3⁄8 mile track, low end
INT/EXH - Dur @ .050” Lift: 228°/236° RR: 1.5/1.5 Gross Lift: .449”/.449” LSA: 106° RPM: 2500 to 6000 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 5 - Stock Lift Rule - 3⁄8 mile, high bank track, mid to top
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .449”/.446” LSA: 106° RPM: 2750 to 6250 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 5 - Stock Lift Rule - 1⁄2 mile, high bank track, mid to top
INT/EXH - Dur @ .050” Lift: 242°/248° RR: 1.5/1.5 Gross Lift: .446”/.447” LSA: 106° RPM: 3000 to 6500 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 5 - Stock Lift Rule & Stock Vacuum Rule - 1⁄2 mile, high bank track, mid to top
INT/EXH - Dur @ .050” Lift: 242°/248° RR: 1.5/1.5 Gross Lift: .446”/.447” LSA: 114° RPM: 3000 to 6500 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 5 - Stock Lift Rule - 1⁄2 mile, high bank track, mid to top
INT/EXH - Dur @ .050” Lift: 242°/248° RR: 1.5/1.5 Gross Lift: .446”/.447” LSA: 106° RPM: 3000 to 6500 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - Short-TrackINT/EXH - Dur @ .050” Lift: 224°/230° RR: 1.5/1.5 Gross Lift: .471”/.497” LSA: 108° RPM: 2400 to 5500 Redline: 6000 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - Short-TrackINT/EXH - Dur @ .050” Lift: 224°/230° RR: 1.5/1.5 Gross Lift: .471”/.497” LSA: 108° RPM: 2400 to 5500 Redline: 6000 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - Short-TrackINT/EXH - Dur @ .050” Lift: 230°/238° RR: 1.5/1.5 Gross Lift: .497”/.497” LSA: 108° RPM: 2550 to 5650 Redline: 6150 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - Short-TrackINT/EXH - Dur @ .050” Lift: 235°/245° RR: 1.5/1.5 Gross Lift: .507”/.516” LSA: 107° RPM: 2650 to 5750 Redline: 6250 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - Short-TrackINT/EXH - Dur @ .050” Lift: 230°/238° RR: 1.5/1.5 Gross Lift: .497”/.497” LSA: 108° RPM: 2550 to 5650 Redline: 6150 Learn More